package com.zzyl.service.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.date.LocalDateTimeUtil;
import cn.hutool.http.server.HttpServerRequest;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.zzyl.base.PageBean;
import com.zzyl.dto.ReservationDto;
import com.zzyl.dto.ReservationQueryDto;
import com.zzyl.entity.Reservation;
import com.zzyl.mapper.ReservationMapper;
import com.zzyl.properties.JwtTokenProperties;
import com.zzyl.service.ReservationService;
import com.zzyl.utils.JwtUtil;
import com.zzyl.utils.ThreadLocalUtil;
import com.zzyl.vo.ReservationVo;
import com.zzyl.vo.TimeCountVo;
import io.jsonwebtoken.Claims;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.List;

@Slf4j
@Service
@Transactional
public class ReservationServiceImpl implements ReservationService {

    @Autowired
    private ReservationMapper reservationMapper;

    @Autowired
    private JwtTokenProperties jwtTokenProperties;

    /**
     * 分页查找预约
     */
    @Override
    public PageBean<ReservationVo> findByPage(ReservationQueryDto dto) {
        PageHelper.startPage(dto.getPageNum(), dto.getPageSize());
        Long userId = ThreadLocalUtil.get();
        dto.setUserId(userId);
        Page<Reservation> page = reservationMapper.findByPage(dto);
        return PageBean.of(page, ReservationVo.class);
    }

    @Override
    public void add(ReservationDto dto) {
        Reservation reservation = BeanUtil.toBean(dto, Reservation.class);
        reservation.setStatus(0);
        reservationMapper.insert(reservation);
    }

    /**
     * 查询取消预约数量
     */
    @Override
    public Integer getCancelledCount() {

        //获取当天时间
        LocalDateTime start = LocalDateTime.now().with(LocalTime.MIN);
        LocalDateTime end = LocalDateTime.now().with(LocalTime.MAX);

        //获取当前用户id

        Long id = ThreadLocalUtil.get();
        int count = reservationMapper.getCancelledCount(start, end, id);

        return count;
    }


    /**
     * 查询每个时间段剩余预约次数
     */
    @Override
    public List<TimeCountVo> countByTime(Long time) {

        LocalDateTime start = LocalDateTimeUtil.of(time).with(LocalTime.MIN);
        LocalDateTime end = LocalDateTimeUtil.of(time).with(LocalTime.MAX);

        List<TimeCountVo> list = reservationMapper.countByTimeRange(start, end);
        return list;
    }

    @Override
    public void cancel(Long id) {
        Reservation reservation = Reservation.builder()
                .id(id)
                .status(2)//0待报道 1已完成 2取消 3过期
                .build();
        reservationMapper.update(reservation);
    }

}

